3a thread class right-hand 0.370" thread length flat countersunk head style 1.187" grip length 26 thread quantity per inch cadmium surface treated unf thread series
Used on e-3 aircraft. 3a thread class right-hand 0.345" thread length pan head style 0.125" grip length 32 thread quantity per inch bolt, pan head, cross recess, short thread, close tol, A286 cres aluminum surface treated unjc thread series
Used on e-3 block 404. 3a thread class right-hand 0.340" thread length flat countersunk head style 1.053" grip length 32 thread quantity per inch bolt, 100 deg head, cross recess, 160 ksi min tensile, long thread, 6al-4v titanium aluminum surface treated unjf thread series
3a thread class right-hand 0.276" thread length pan head style 0.812" grip length 32 thread quantity per inch cadmium surface treated unjc thread series
3a thread class right-hand 0.363" thread length flat countersunk head style 0.115" grip length 32 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.438" thread length countersunk cylindrical convex head style 0.812" grip length 24 thread quantity per inch unjf thread series
3a thread class right-hand 0.323" thread length pan head style 2.875" grip length 32 thread quantity per inch bolt, pan head, close tolerance, short thread, cruciform recess, alloy steel cadmium surface treated unjf thread series
3a thread class right-hand 0.370" thread length flat countersunk head style 1.187" grip length 26 thread quantity per inch cadmium surface treated unf thread series
